Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500142 | Covered suction device with closure | Donald R. Harreld, Edward C. Hay | 2002-12-31 |
| 6238213 | Suction oral brush | Charles E. Young, Paul H. Hanifl | 2001-05-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500142 | Covered suction device with closure | Donald R. Harreld, Edward C. Hay | 2002-12-31 |
| 6238213 | Suction oral brush | Charles E. Young, Paul H. Hanifl | 2001-05-29 |